html {
    font-size: 10px;
}
body {
    font-family: -apple-system, BlinkMacSystemFont, 
    'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    font-size: 1.5rem;
    line-height: 1.5;
    text-align: center;
    color: #333;
    margin: 0;
}
h1 {
    font-size: 4rem;
    margin-bottom: 0;
}
@media(max-width: 560px){
    h1 {
        font-size: 3.5rem;
        line-height: 1.2;
      }
}
h2 {
    font-size: 3.25rem;
  }
  
a {
    color: #477ca7;
}
a:visited {
    color: #74638f;
}


#main {
    margin: 30px 8px;
    padding: 15px;
    border-radius: 5px;
    background: #eee;
}
  
@media (max-width: 560px) {
    #main {
        margin: 0;
    }
}


#img-div {
    background: white;
    padding: 10px;
    margin: 0;
}
img {
    max-width: 100%;
    display: block;
    height: auto;
    margin: 0 auto;
}
#img-caption {
    margin: 15px 0 5px 0;
}

@media (max-width: 560px) {
    #img-caption {
        font-size: 1.4rem;
    }
}

#headline {
    margin: 50px 0;  
}

ul {
    max-width: 560px;
    margin: 0 auto 50px auto;
    text-align: left;
    line-height: 1.6;
}
  
li {
    margin: 16px 0;
}

blockquote {
    font-style: italic;
    max-width: 545px;
    margin: 0 auto 50px auto;
    text-align: left;
}